394911 has 12 divisors (see below), whose sum is σ = 622440. Its totient is φ = 239280.

The previous prime is 394897. The next prime is 394931. The reversal of 394911 is 119493.

It is not a de Polignac number, because 394911 - 2⁵ = 394879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2³⁹⁴⁹¹¹ is an apocalyptic number.

394911 is a deficient number, since it is larger than the sum of its proper divisors (227529).

394911 is a wasteful number, since it uses less digits than its factorization.

394911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006 (or 4003 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 394911 is about 628.4194459117. The cubic root of 394911 is about 73.3668281334.

It can be divided in two parts, 39 and 4911, that added together give a triangular number (4950 = T₉₉).

The spelling of 394911 in words is "three hundred ninety-four thousand, nine hundred eleven".